Home / 3,850.19-5,775.27-1,253.12

Finding the Fourth Proportional to 3,850.19, 5,775.27 and 1,253.12

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Solution

The fourth proportional to 3,850.19, 5,775.27 and 1,253.12 is: 1,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.19 : 5,775.27 = 1,253.12 : x
  2. Step 2: Convert to fraction form
    3,850.19/5,775.27 = 1,253.12/x
  3. Step 3: Cross multiply
    3,850.19x = 5,775.27 × 1,253.12
  4. Step 4: Simplify right side
    3,850.19x = 7,237,077.47
  5. Step 5: Solve for x
    x = 7,237,077.47/3,850.19
  6. Step 6: Final answer
    x = 1,879.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.